EP2211049A2 - Dispositif destiné au transport de carburant - Google Patents

Dispositif destiné au transport de carburant Download PDF

Info

Publication number
EP2211049A2
EP2211049A2 EP09177462A EP09177462A EP2211049A2 EP 2211049 A2 EP2211049 A2 EP 2211049A2 EP 09177462 A EP09177462 A EP 09177462A EP 09177462 A EP09177462 A EP 09177462A EP 2211049 A2 EP2211049 A2 EP 2211049A2
Authority
EP
European Patent Office
Prior art keywords
clamping sleeve
sleeve
holder
fuel
indentations
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP09177462A
Other languages
German (de)
English (en)
Other versions
EP2211049A3 (fr
EP2211049B1 (fr
Inventor
Asta Hascher-Reichl
Thomas Wuensch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP2211049A2 publication Critical patent/EP2211049A2/fr
Publication of EP2211049A3 publication Critical patent/EP2211049A3/fr
Application granted granted Critical
Publication of EP2211049B1 publication Critical patent/EP2211049B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/04—Feeding by means of driven pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/0076—Details of the fuel feeding system related to the fuel tank
    • F02M37/0082—Devices inside the fuel tank other than fuel pumps or filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/04—Feeding by means of driven pumps
    • F02M37/08—Feeding by means of driven pumps electrically driven
    • F02M37/10—Feeding by means of driven pumps electrically driven submerged in fuel, e.g. in reservoir
    • F02M37/106—Feeding by means of driven pumps electrically driven submerged in fuel, e.g. in reservoir the pump being installed in a sub-tank
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/605—Mounting; Assembling; Disassembling specially adapted for liquid pumps

Definitions

  • the invention relates to a device for conveying fuel according to the preamble of the main claim. It is already known a device for conveying fuel with a pressed-in a compensating sleeve fuel pump and a holder for the fuel pump.
  • the holder is made in a clamp shape or cup-shaped.
  • a compensating sleeve is provided between the bracket and the fuel pump to compensate for the installation space between the fuel pump and the bracket.
  • the compensation sleeve has rigid longitudinal ribs on its inner circumference, which are plastically deformed to hold the fuel pump.
  • the disadvantage is that the holding forces of the fuel pump are reduced in the course of the operation by temperature fluctuations and swelling of the material, so that the fuel pump is no longer sufficiently maintained under all conditions.
  • Another device for conveying fuel which has a film or a lacquer layer between the fuel pump and the holder.
  • the film or lacquer layer serves for insulation and prevents contact corrosion. Also, the film or paint layer does not ensure sufficient holding forces over the life of the fuel pump.
  • the device according to the invention with the characterizing features of the main claim has the advantage that the clamping sleeve for different diameters of facilities, such as fuel pumps, is suitable. This is achieved by the clamping sleeve has recesses on its circumference, which are seen in the circumferential direction alternately open either to one or the other front end.
  • the inventive design a meander-shaped clamping sleeve is achieved by Expansion or diameter constriction adapts to the respective diameter of the cylindrical device. The manufacturing cost of the device are reduced in this way. In addition, it is ensured that the holding forces are not degraded over the lifetime despite temperature fluctuations, a swelling of the material and a shaking load.
  • the indentations are formed as slot-shaped, U-shaped or V-shaped recesses.
  • the ratio of the length of the indentations to the total length of the clamping sleeve in the range between 0.7 and 0.9, since in this way a very flexible and adaptable sleeve is formed.
  • clamping sleeve is pressed between the holder and the device, since in this way the holding forces are generated, which hold the device in the holder.
  • clamping sleeve is made of plastic, since in this way a contact corrosion between the holder and the device is prevented.
  • a clamping sleeve annularly enclosing the damping sleeve is provided on the clamping sleeve, which is firmly connected to the clamping sleeve, since in this way an effective damping of pump noise is achieved.
  • Fig.1 shows in section a first embodiment of the inventive device for conveying fuel.
  • the device for conveying fuel comprises a device 1 and a holder 2 holding the device 1.
  • the device 1 is integrated in a fuel line 6, which supplies an internal combustion engine 7 with fuel from a fuel tank 8.
  • the device 1 is for example a fuel pump, but may also be another device to be fastened to the fuel line 6, for example a fuel filter, pressure regulator, valve or the like.
  • the bracket 2 may be mounted within the fuel tank 8 or outside of the fuel tank 8 on the chassis of a vehicle.
  • the holder 2 may be, for example, a clamp, clip, sleeve, an annular or cup-shaped receptacle. Between the holder 2 and the device 1, a clamping sleeve 3 is provided to ensure a permanent solid connection between the holder 2 and the device 1.
  • Fig.2 shows a clamping sleeve according to the invention for the device Fig.1 ,
  • the clamping sleeve 3 has indentations 4 at its periphery, which seen in the circumferential direction alternately either to one or the other open at the front end.
  • the indentations 4 are designed, for example, as slit-shaped, U-shaped or V-shaped recesses and extend in the axial direction with respect to a sleeve axis 5. This results in a meander-shaped ring spring extending in the circumferential direction.
  • the clamping sleeve 3 is pressed between the holder 2 and the device 1 and maintains the bias between the holder 2 and the device 1 upright. The holding forces of the holder 2 remain constant even during temperature changes and swelling of the materials over the life.
  • the width A of the recesses 4 is increased, for example, when the temperature increases by the extension of the pump diameter and shrinks again at temperature drop, whereby no plastic deformation occurs.
  • the clamping sleeve 3 is made for example of plastic. This prevents contact corrosion between the holder 2 and the device. 1
  • the clamping sleeve 3 may also have a cone shape in addition to the cylindrical shape. Instead of circular, the cross section of the clamping sleeve 3 may also be triangular, square, polygonal or oval.
  • the clamping sleeve 3 may also be formed as a slotted, not closed in the circumferential direction sleeve.
  • the clamping sleeve 3 may be arranged in the axial direction between two provided on the housing of the device 1 fixing means 11, which are designed for example as annular beads. Conversely, means 11 can also be provided on the clamping sleeve 3 in order to fix the device 1 in the axial direction.
  • the means 12 may be for example an eyelet, a stop, a hook or pin.
  • the ratio of the length of the indentations 4 to the total length of the clamping sleeve 3 is for example in the range between 0.7 and 0.9.
  • the overlap of adjacent indentations 4 is in the range between 0.6 and 0.8.
  • Figure 3 shows in section a second embodiment for mounting a fuel pump.
  • the second embodiment relates to a holder of a fuel pump 1 in a storage cup 16, which is arranged in a fuel tank and holds enough fuel for the fuel pump 1, so that fuel can be sucked in when cornering.
  • the second embodiment differs from the first embodiment in that on the clamping sleeve 3 after Fig.2 elastically resilient retaining arms 14 are provided which hold the fuel pump 1 to a wall 15 of the reservoir cup 16.
  • the support arms 14 are supported for example in a recess or recess 17 of the wall 15.
  • the holding arms 14 may be designed, for example, as shown by a solid line. These run, for example, in the opposite direction to achieve a fixation in both axial directions.
  • the holding arms 14 may also have other shapes, for example an S-shape or arched shape, as indicated by a dashed line, and may be arranged at any desired locations on the circumference.
  • Figure 4 shows in section a third embodiment for mounting a fuel pump.
  • the third embodiment differs from the two embodiments according to Fig.1 and Figure 3 in that on the clamping sleeve 3 after Fig.2 a clamping sleeve 3 annularly enclosing damping sleeve 20 is provided which is fixedly connected to the clamping sleeve 3, for example in one piece.
  • the damping sleeve 20 has a larger diameter than the clamping sleeve 3, wherein between the damping sleeve 20 and the clamping sleeve 3, a gap 21 is provided.
  • the two sleeves 3, 20 are arranged concentrically to one another, for example.
  • the damping sleeve 20 has as the clamping sleeve 3 after Fig.2 indentations 4 on their circumference, which, as seen in the circumferential direction, are alternately opened either at one end or at the other end side. In addition, it is connected via at least one connecting web 22 with the clamping sleeve 3. In addition, the clamping sleeve 3 is opposite Fig.2 modified so that they can keep the fuel pump 1 safely. For this purpose, for example, a bottom 23 or a retaining shoulder 23 is executed at the lower end of the clamping sleeve 3, on which the fuel pump 1 is supported. Likewise, an undercut 24 may be provided for axial fixing at the upper end.
  • the damping sleeve 20 is received in the recess 17 of the reservoir cup 16 and held there securely.
  • the additional damping sleeve 20 an effective noise reduction is achieved.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Details Of Reciprocating Pumps (AREA)
EP09177462.0A 2009-01-23 2009-11-30 Dispositif destiné au transport de carburant Not-in-force EP2211049B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200910000399 DE102009000399A1 (de) 2009-01-23 2009-01-23 Vorrichtung zum Fördern von Kraftstoff

Publications (3)

Publication Number Publication Date
EP2211049A2 true EP2211049A2 (fr) 2010-07-28
EP2211049A3 EP2211049A3 (fr) 2013-04-17
EP2211049B1 EP2211049B1 (fr) 2015-07-15

Family

ID=42041768

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09177462.0A Not-in-force EP2211049B1 (fr) 2009-01-23 2009-11-30 Dispositif destiné au transport de carburant

Country Status (2)

Country Link
EP (1) EP2211049B1 (fr)
DE (1) DE102009000399A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020083495A1 (fr) * 2018-10-25 2020-04-30 Pierburg Pump Technology Gmbh Agencement de pompe de véhicule à moteur et agencement de montage pour un agencement de pompe de véhicule à moteur

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0728937A1 (fr) * 1995-02-18 1996-08-28 Walter Alfmeier GmbH + Co Präzisions-Baugruppenelemente Dispositif d'alimentation de carburant
EP0773362A1 (fr) * 1995-11-08 1997-05-14 Bitron France Dispositif pour la suspension d'une pompe et/ou d'une crépine appartenant à un ensemble de pompage
US5797376A (en) * 1995-06-29 1998-08-25 Robert Bosch Gmbh Device for receiving fuel feeding aggregate in fuel container
US6358022B1 (en) * 1998-09-19 2002-03-19 Robert Bosch Gmbh Feeding device for fuel
EP1375901A1 (fr) * 2002-06-21 2004-01-02 Delphi Technologies, Inc. Procédé d'assemblage d'une pompe électrique, et amortisseur de vibrations pour une telle pompe
DE102006034077A1 (de) * 2005-08-16 2007-02-22 Robert Bosch Gmbh Filtereinrichtung mit einer Heizung

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0728937A1 (fr) * 1995-02-18 1996-08-28 Walter Alfmeier GmbH + Co Präzisions-Baugruppenelemente Dispositif d'alimentation de carburant
US5797376A (en) * 1995-06-29 1998-08-25 Robert Bosch Gmbh Device for receiving fuel feeding aggregate in fuel container
EP0773362A1 (fr) * 1995-11-08 1997-05-14 Bitron France Dispositif pour la suspension d'une pompe et/ou d'une crépine appartenant à un ensemble de pompage
US6358022B1 (en) * 1998-09-19 2002-03-19 Robert Bosch Gmbh Feeding device for fuel
EP1375901A1 (fr) * 2002-06-21 2004-01-02 Delphi Technologies, Inc. Procédé d'assemblage d'une pompe électrique, et amortisseur de vibrations pour une telle pompe
DE102006034077A1 (de) * 2005-08-16 2007-02-22 Robert Bosch Gmbh Filtereinrichtung mit einer Heizung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020083495A1 (fr) * 2018-10-25 2020-04-30 Pierburg Pump Technology Gmbh Agencement de pompe de véhicule à moteur et agencement de montage pour un agencement de pompe de véhicule à moteur
US11585356B2 (en) 2018-10-25 2023-02-21 Pierburg Pump Technology Gmbh Motor vehicle pump arrangement and mounting arrangement for a motor vehicle pump arrangement

Also Published As

Publication number Publication date
DE102009000399A1 (de) 2010-07-29
EP2211049A3 (fr) 2013-04-17
EP2211049B1 (fr) 2015-07-15

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